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- Title
Effects of kiwi consumption on plasma lipids, fibrinogen and insulin resistance in the context of a normal diet.
- Authors
Recio-Rodriguez, Jose I.; Gomez-Marcos, Manuel A.; Patino-Alonso, Maria C.; Puigdomenech, Elisa; Notario-Pacheco, Blanca; Mendizabal-Gallastegui, Nere; de la Cal de la Fuente, Aventina; Otegui-Ilarduya, Luis; Maderuelo-Fernandez, Jose A.; de Cabo Laso, Angela; Agudo-Conde, Cristina; Garcia-Ortiz, Luis; de la Fuente, Aventina de la Cal; EVIDENT Group
- Abstract
<bold>Background and Aims: </bold>Among fruits, kiwi is one of the richest in vitamins and polyphenols and has strong anti-oxidant effects. We aimed to analyze the relationship between the consumption of kiwi and plasma lipid values, fibrinogen, and insulin resistance in adults within the context of a normal diet and physical-activity.<bold>Methods: </bold>Cross-sectional study. Participants (N = 1469), who were free of cardiovascular diseases, completed a visit, which included the collection of information concerning the participant's usual diet and kiwi consumption using a previously validated, semi-quantitative, 137-item food-frequency-questionnaire. Fasting laboratory determinations included plasma lipids, fibrinogen and insulin resistance. Regular physical-activity was determined using accelerometry.<bold>Results: </bold>Consumers of at least 1 kiwi/week presented higher plasma values of HDL-cholesterol (mean difference 4.50 [95% CI: 2.63 to 6.36]) and lower triglyceride values (mean difference -20.03 [95% CI: -6.77 to -33.29]), fibrinogen values (mean difference -13.22 [95% CI: -2.18 to -24.26]) and HOMAir values (mean difference -0.30 [95% CI: -0.09 to -0.50]) (p < 0.05, for all comparisons) than those who consumed less than 1 kiwi per week. In an adjusted logistic regression analysis, this group had a lower odds-ratio for presenting plasmatic fibrinogen concentrations above 400 mg/dL (OR = 0.68, 95% CI 0.49 to 0.95), HDL-Cholesterol plasma values below 45 mg/dL (OR = 0.57, 95% CI 0.36 to 0.91) and a HOMAir above 3 (OR = 0.61, 95% CI 0.37 to 1.00).<bold>Conclusions: </bold>Consumption of at least one kiwi/week is associated with lower plasma concentrations of fibrinogen and improved plasma lipid profile in the context of a normal diet and regular exercise.
- Subjects
KIWIFRUIT; BLOOD lipids; FIBRINOGEN; INSULIN resistance; POLYPHENOLS; DIET research; ANTIOXIDANTS; DIET; FRUIT; HIGH density lipoproteins; LOW density lipoproteins; MOTOR ability; NUTRITIONAL assessment; QUESTIONNAIRES; TRIGLYCERIDES; LOGISTIC regression analysis; BODY mass index; LIFESTYLES; CROSS-sectional method
- Publication
Nutrition Journal, 2015, Vol 14, p1
- ISSN
1475-2891
- Publication type
journal article
- DOI
10.1186/s12937-015-0086-0